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-rw-r--r--gas/config/tc-pdp11.c1618
-rw-r--r--gas/config/tc-pdp11.h33
2 files changed, 1651 insertions, 0 deletions
diff --git a/gas/config/tc-pdp11.c b/gas/config/tc-pdp11.c
new file mode 100644
index 0000000..6935bce
--- /dev/null
+++ b/gas/config/tc-pdp11.c
@@ -0,0 +1,1618 @@
+/* tc-pdp11.c - pdp11-specific -
+ Copyright (C) 2001 Free Software Foundation, Inc.
+
+ This file is part of GAS, the GNU Assembler.
+
+ GAS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GAS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GAS; see the file COPYING. If not, write to
+ the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+/*
+ Apparently unused functions:
+ md_convert_frag
+ md_estimate_size_before_relax
+ md_create_short_jump
+ md_create_long_jump
+*/
+
+#include "as.h"
+#include "opcode/pdp11.h"
+
+static int set_option PARAMS ((char *arg));
+static int set_cpu_model PARAMS ((char *arg));
+static int set_machine_model PARAMS ((char *arg));
+
+#define TRUE 1
+#define FALSE 0
+
+/*
+ * A representation for PDP-11 machine code.
+ */
+struct pdp11_code
+{
+ char *error;
+ int code;
+ int additional; /* is there an additional word? */
+ int word; /* additional word, if any */
+ struct
+ {
+ bfd_reloc_code_real_type type;
+ expressionS exp;
+ int pc_rel;
+ } reloc;
+};
+
+/*
+ * Instruction set extensions.
+ *
+ * If you change this from an array to something else, please update
+ * the "PDP-11 instruction set extensions" comment in pdp11.h.
+ */
+int pdp11_extension[PDP11_EXT_NUM];
+
+/*
+ * Assembly options.
+ */
+
+#define ASM_OPT_PIC 1
+#define ASM_OPT_NUM 2
+
+int asm_option[ASM_OPT_NUM];
+
+/* These chars start a comment anywhere in a source file (except inside
+ another comment */
+CONST char comment_chars[] = "#/";
+
+/* These chars only start a comment at the beginning of a line. */
+CONST char line_comment_chars[] = "#/";
+
+CONST char line_separator_chars[] = ";";
+
+/* Chars that can be used to separate mant from exp in floating point nums */
+CONST char EXP_CHARS[] = "eE";
+
+/* Chars that mean this number is a floating point constant */
+/* as in 0f123.456 */
+/* or 0H1.234E-12 (see exp chars above) */
+CONST char FLT_CHARS[] = "dDfFgGhH";
+
+void pseudo_even (int);
+void pseudo_bss (int);
+
+CONST pseudo_typeS md_pseudo_table[] =
+{
+ { "bss", pseudo_bss, 0 },
+ { "even", pseudo_even, 0 },
+ { 0, 0, 0 },
+};
+
+
+static void
+init_defaults ()
+{
+ static int first = 1;
+
+ if (first)
+ {
+ set_option ("all-extensions");
+ set_option ("pic");
+ first = 0;
+ }
+}
+
+static struct hash_control *insn_hash = NULL;
+
+void
+md_begin ()
+{
+ int i;
+
+ init_defaults ();
+
+ insn_hash = hash_new ();
+ if (insn_hash == NULL)
+ as_fatal ("Virtual memory exhausted");
+
+ for (i = 0; i < pdp11_num_opcodes; i++)
+ hash_insert (insn_hash, pdp11_opcodes[i].name, (PTR)(pdp11_opcodes + i));
+ for (i = 0; i < pdp11_num_aliases; i++)
+ hash_insert (insn_hash, pdp11_aliases[i].name, (PTR)(pdp11_aliases + i));
+}
+
+void
+md_number_to_chars (con, value, nbytes)
+ char con[];
+ valueT value;
+ int nbytes;
+{
+ /* On a PDP-11, 0x1234 is stored as "\x12\x34", and
+ * 0x12345678 is stored as "\x56\x78\x12\x34". It's
+ * anyones guess what 0x123456 would be stored like.
+ */
+
+ switch (nbytes)
+ {
+ case 0:
+ break;
+ case 1:
+ con[0] = value & 0xff;
+ break;
+ case 2:
+ con[0] = value & 0xff;
+ con[1] = (value >> 8) & 0xff;
+ break;
+ case 4:
+ con[0] = (value >> 16) & 0xff;
+ con[1] = (value >> 24) & 0xff;
+ con[2] = value & 0xff;
+ con[3] = (value >> 8) & 0xff;
+ break;
+ default:
+ BAD_CASE (nbytes);
+ }
+}
+
+/* Fix up some data or instructions after we find out the value of a symbol
+ that they reference. */
+
+int /* Knows about order of bytes in address. */
+md_apply_fix (fixP, value)
+ fixS *fixP;
+ valueT *value;
+{
+ valueT code;
+ valueT mask;
+ char *buf;
+ int shift;
+ int size;
+
+ buf = fixP->fx_where + fixP->fx_frag->fr_literal;
+ size = fixP->fx_size;
+ code = md_chars_to_number (buf, size);
+
+ switch (fixP->fx_r_type)
+ {
+ case BFD_RELOC_16:
+ case BFD_RELOC_16_PCREL:
+ mask = 0xffff;
+ shift = 0;
+ break;
+ case BFD_RELOC_PDP11_DISP_8_PCREL:
+ mask = 0x00ff;
+ shift = 1;
+ break;
+ case BFD_RELOC_PDP11_DISP_6_PCREL:
+ mask = 0x003f;
+ shift = 1;
+ break;
+ default:
+ BAD_CASE (fixP->fx_r_type);
+ }
+
+ if (fixP->fx_addsy != NULL)
+ *value += symbol_get_bfdsym (fixP->fx_addsy)->section->vma;
+ /* *value += fixP->fx_addsy->bsym->section->vma; */
+
+ code &= ~mask;
+ code |= (*value >> shift) & mask;
+ number_to_chars_littleendian (buf, code, size);
+ return 0;
+}
+
+long
+md_chars_to_number (con, nbytes)
+ unsigned char con[]; /* Low order byte 1st. */
+ int nbytes; /* Number of bytes in the input. */
+{
+ /* On a PDP-11, 0x1234 is stored as "\x12\x34", and
+ * 0x12345678 is stored as "\x56\x78\x12\x34". It's
+ * anyones guess what 0x123456 would be stored like.
+ */
+
+ switch (nbytes)
+ {
+ case 0:
+ return 0;
+ case 1:
+ return con[0];
+ case 2:
+ return (con[1] << BITS_PER_CHAR) | con[0];
+ case 4:
+ return
+ (((con[1] << BITS_PER_CHAR) | con[0]) << (2 * BITS_PER_CHAR)) |
+ ((con[3] << BITS_PER_CHAR) | con[2]);
+ default:
+ BAD_CASE (nbytes);
+ return 0;
+ }
+}
+
+static char *
+skip_whitespace (char *str)
+{
+ while (*str == ' ' || *str == '\t')
+ str++;
+ return str;
+}
+
+static char *
+find_whitespace (char *str)
+{
+ while (*str != ' ' && *str != '\t' && *str != 0)
+ str++;
+ return str;
+}
+
+static char
+mklower (char c)
+{
+ if (isupper (c))
+ return tolower (c);
+ return c;
+}
+
+static char *
+parse_reg (char *str, struct pdp11_code *operand)
+{
+ str = skip_whitespace (str);
+ if (mklower (*str) == 'r')
+ {
+ str++;
+ switch (*str)
+ {
+ case '0': case '1': case '2': case '3':
+ case '4': case '5': case '6': case '7':
+ operand->code = *str - '0';
+ str++;
+ break;
+ default:
+ operand->error = "Bad register name";
+ return str - 1;
+ }
+ }
+ else if (strncmp (str, "sp", 2) == 0 ||
+ strncmp (str, "SP", 2) == 0)
+ {
+ operand->code = 6;
+ str += 2;
+ }
+ else if (strncmp (str, "pc", 2) == 0 ||
+ strncmp (str, "PC", 2) == 0)
+ {
+ operand->code = 7;
+ str += 2;
+ }
+ else
+ {
+ operand->error = "Bad register name";
+ return str;
+ }
+
+ return str;
+}
+
+static char *
+parse_ac (char *str, struct pdp11_code *operand)
+{
+ str = skip_whitespace (str);
+ if (strncmp (str, "fr", 2) == 0 ||
+ strncmp (str, "FR", 2) == 0 ||
+ strncmp (str, "ac", 2) == 0 ||
+ strncmp (str, "AC", 2) == 0)
+ {
+ str += 2;
+ switch (*str)
+ {
+ case '0': case '1': case '2': case '3':
+ operand->code = *str - '0';
+ str++;
+ break;
+ default:
+ operand->error = "Bad register name";
+ return str - 2;
+ }
+ }
+ else
+ {
+ operand->error = "Bad register name";
+ return str;
+ }
+
+ return str;
+}
+
+static char *
+parse_expression (char *str, struct pdp11_code *operand)
+{
+ char *save_input_line_pointer;
+ segT seg;
+
+ save_input_line_pointer = input_line_pointer;
+ input_line_pointer = str;
+ seg = expression (&operand->reloc.exp);
+ if (seg == NULL)
+ {
+ input_line_pointer = save_input_line_pointer;
+ operand->error = "Error in expression";
+ return str;
+ }
+
+ str = input_line_pointer;
+ input_line_pointer = save_input_line_pointer;
+
+ operand->reloc.pc_rel = 0;
+
+ if (operand->reloc.exp.X_op == O_constant)
+ {
+ if (*str == '.')
+ str++;
+ else
+ {
+ /* FIXME: buffer overflow! */
+ char buf[100];
+ char *end;
+
+ sprintf (buf, "%ld", operand->reloc.exp.X_add_number);
+ operand->reloc.exp.X_add_number = strtol (buf, &end, 8);
+ }
+ }
+
+ return str;
+}
+
+static char *
+parse_op_no_deferred (char *str, struct pdp11_code *operand)
+{
+ str = skip_whitespace (str);
+
+ switch (*str)
+ {
+ case '(': /* (rn) and (rn)+ */
+ str = parse_reg (str + 1, operand);
+ if (operand->error)
+ return str;
+ str = skip_whitespace (str);
+ if (*str != ')')
+ {
+ operand->error = "Missing ')'";
+ return str;
+ }
+ str++;
+ if (*str == '+')
+ {
+ operand->code |= 020;
+ str++;
+ }
+ else
+ {
+ operand->code |= 010;
+ }
+ break;
+
+ case '#': /* immediate */
+ case '$':
+ str = parse_expression (str + 1, operand);
+ if (operand->error)
+ return str;
+ operand->additional = TRUE;
+ operand->word = operand->reloc.exp.X_add_number;
+ switch (operand->reloc.exp.X_op)
+ {
+ case O_constant:
+ break;
+ case O_symbol:
+ case O_add:
+ case O_subtract:
+ operand->reloc.type = BFD_RELOC_16;
+ operand->reloc.pc_rel = 0;
+ break;
+ default:
+ operand->error = "Error in expression";
+ break;
+ }
+ operand->code = 027;
+ break;
+
+ default: /* label, d(rn), -(rn) */
+ {
+ char *old = str;
+
+ if (strncmp (str, "-(", 2) == 0) /* -(rn) */
+ {
+ str = parse_reg (str + 2, operand);
+ if (operand->error)
+ return str;
+ str = skip_whitespace (str);
+ if (*str != ')')
+ {
+ operand->error = "Missing ')'";
+ return str;
+ }
+ operand->code |= 040;
+ str++;
+ break;
+ }
+
+ str = parse_expression (str, operand);
+ if (operand->error)
+ return str;
+
+ str = skip_whitespace (str);
+
+ if (*str != '(') /* label */
+ {
+ if (operand->reloc.exp.X_op != O_symbol)
+ {
+ operand->error = "Label expected";
+ return old;
+ }
+ operand->code = 067;
+ operand->additional = 1;
+ operand->word = 0;
+ operand->reloc.type = BFD_RELOC_16_PCREL;
+ operand->reloc.pc_rel = 1;
+ break;
+ }
+
+ str++; /* d(rn) */
+ str = parse_reg (str, operand);
+ if (operand->error)
+ return str;
+
+ str = skip_whitespace (str);
+
+ if (*str != ')')
+ {
+ operand->error = "Missing ')'";
+ return str;
+ }
+
+ str++;
+ operand->additional = TRUE;
+ operand->code |= 060;
+ switch (operand->reloc.exp.X_op)
+ {
+ case O_symbol:
+ operand->word = 0;
+ operand->reloc.pc_rel = 1;
+ break;
+ case O_constant:
+ if ((operand->code & 7) == 7)
+ {
+ operand->reloc.pc_rel = 1;
+ operand->word = operand->reloc.exp.X_add_number;
+ }
+ else
+ {
+ operand->word = operand->reloc.exp.X_add_number;
+ }
+ break;
+ default:
+ BAD_CASE (operand->reloc.exp.X_op);
+ }
+ break;
+ }
+ }
+
+ return str;
+}
+
+static char *
+parse_op (char *str, struct pdp11_code *operand)
+{
+ str = skip_whitespace (str);
+
+ str = parse_reg (str, operand);
+ if (!operand->error)
+ return str;
+ operand->error = NULL;
+
+ if (*str == '@' || *str == '*')
+ {
+ str = parse_op_no_deferred (str + 1, operand);
+ if (operand->error)
+ return str;
+ operand->code |= 010;
+ }
+ else
+ str = parse_op_no_deferred (str, operand);
+
+ return str;
+}
+
+static char *
+parse_separator (char *str, int *error)
+{
+ str = skip_whitespace (str);
+ *error = (*str != ',');
+ if (!*error)
+ str++;
+ return str;
+}
+
+void
+md_assemble (instruction_string)
+ char *instruction_string;
+{
+ CONST struct pdp11_opcode *op;
+ struct pdp11_code insn, op1, op2;
+ int error;
+ int size;
+ char *err = NULL;
+ char *str;
+ char *p;
+ char c;
+
+ str = skip_whitespace (instruction_string);
+ p = find_whitespace (str);
+ if (p - str == 0)
+ {
+ as_bad ("No instruction found");
+ return;
+ }
+
+ c = *p;
+ *p = '\0';
+ op = (struct pdp11_opcode *)hash_find (insn_hash, str);
+ *p = c;
+ if (op == 0)
+ {
+#if 0
+ op1.error = NULL;
+ op1.additional = FALSE;
+ op1.reloc.type = BFD_RELOC_NONE;
+ op1.code = 0;
+ op1.word = 0;
+ str = parse_expression (str, &op1);
+ if (op1.error)
+ {
+ as_bad (op1.error);
+ return;
+ }
+
+ {
+ char *to = frag_more (2);
+
+ md_number_to_chars (to, op1.code, 2);
+ if (insn.reloc.type != BFD_RELOC_NONE)
+ fix_new_exp (frag_now, to - frag_now->fr_literal, 2,
+ &insn.reloc.exp, insn.reloc.pc_rel, insn.reloc.type);
+ }
+#else
+ as_warn ("Unknown instruction");
+#endif
+
+ return;
+ }
+
+ if (!pdp11_extension[op->extension])
+ {
+ as_warn ("Unsupported instruction set extension: %s", op->name);
+ return;
+ }
+
+ insn.error = NULL;
+ insn.code = op->opcode;
+ insn.reloc.type = BFD_RELOC_NONE;
+ op1.error = NULL;
+ op1.additional = FALSE;
+ op1.reloc.type = BFD_RELOC_NONE;
+ op2.error = NULL;
+ op2.additional = FALSE;
+ op2.reloc.type = BFD_RELOC_NONE;
+
+ str = p;
+ size = 2;
+
+ switch (op->type)
+ {
+ case PDP11_OPCODE_NO_OPS:
+ str = skip_whitespace (str);
+ if (*str == 0)
+ str = "";
+ break;
+
+ case PDP11_OPCODE_IMM3:
+ case PDP11_OPCODE_IMM6:
+ case PDP11_OPCODE_IMM8:
+ str = skip_whitespace (str);
+ if (*str == '#' || *str == '$')
+ str++;
+ str = parse_expression (str, &op1);
+ if (op1.error)
+ break;
+ switch (op->type)
+ {
+ case PDP11_OPCODE_IMM3:
+ if (op1.code & ~7)
+ {
+ op1.error = "3-bit immediate out of range";
+ break;
+ }
+ break;
+ case PDP11_OPCODE_IMM6:
+ if (op1.code & ~0x3f)
+ {
+ op1.error = "6-bit immediate out of range";
+ break;
+ }
+ break;
+ case PDP11_OPCODE_IMM8:
+ if (op1.code & ~0xff)
+ {
+ op1.error = "8-bit immediate out of range";
+ break;
+ }
+ break;
+ }
+ insn.code |= op1.code;
+ break;
+
+ case PDP11_OPCODE_DISPL:
+ {
+ char *new;
+ new = parse_expression (str, &op1);
+ op1.code = 0;
+ op1.reloc.pc_rel = 1;
+ op1.reloc.type = BFD_RELOC_PDP11_DISP_8_PCREL;
+ if (op1.reloc.exp.X_op != O_symbol)
+ {
+ op1.error = "Symbol expected";
+ break;
+ }
+ if (op1.code & ~0xff)
+ {
+ err = "8-bit displacement out of range";
+ break;
+ }
+ str = new;
+ insn.code |= op1.code;
+ insn.reloc = op1.reloc;
+ }
+ break;
+
+ case PDP11_OPCODE_REG:
+ str = parse_reg (str, &op1);
+ if (op1.error)
+ break;
+ insn.code |= op1.code;
+ break;
+
+ case PDP11_OPCODE_OP:
+ str = parse_op (str, &op1);
+ if (op1.error)
+ break;
+ insn.code |= op1.code;
+ if (op1.additional)
+ size += 2;
+ break;
+
+ case PDP11_OPCODE_REG_OP:
+ str = parse_reg (str, &op2);
+ if (op2.error)
+ break;
+ insn.code |= op2.code << 6;
+ str = parse_separator (str, &error);
+ if (error)
+ {
+ op2.error = "Missing ','";
+ break;
+ }
+ str = parse_op (str, &op1);
+ if (op1.error)
+ break;
+ insn.code |= op1.code;
+ if (op1.additional)
+ size += 2;
+ break;
+
+ case PDP11_OPCODE_REG_OP_REV:
+ str = parse_op (str, &op1);
+ if (op1.error)
+ break;
+ insn.code |= op1.code;
+ if (op1.additional)
+ size += 2;
+ str = parse_separator (str, &error);
+ if (error)
+ {
+ op2.error = "Missing ','";
+ break;
+ }
+ str = parse_reg (str, &op2);
+ if (op2.error)
+ break;
+ insn.code |= op2.code << 6;
+ break;
+
+ case PDP11_OPCODE_AC_OP:
+ str = parse_ac (str, &op2);
+ if (op2.error)
+ break;
+ insn.code |= op2.code << 6;
+ str = parse_separator (str, &error);
+ if (error)
+ {
+ op1.error = "Missing ','";
+ break;
+ }
+ str = parse_op (str, &op1);
+ if (op1.error)
+ break;
+ insn.code |= op1.code;
+ if (op1.additional)
+ size += 2;
+ break;
+
+ case PDP11_OPCODE_OP_OP:
+ str = parse_op (str, &op1);
+ if (op1.error)
+ break;
+ insn.code |= op1.code << 6;
+ if (op1.additional)
+ size += 2;
+ str = parse_separator (str, &error);
+ if (error)
+ {
+ op2.error = "Missing ','";
+ break;
+ }
+ str = parse_op (str, &op2);
+ if (op2.error)
+ break;
+ insn.code |= op2.code;
+ if (op2.additional)
+ size += 2;
+ break;
+
+ case PDP11_OPCODE_REG_DISPL:
+ {
+ char *new;
+ str = parse_reg (str, &op2);
+ if (op2.error)
+ break;
+ insn.code |= op2.code << 6;
+ str = parse_separator (str, &error);
+ if (error)
+ {
+ op1.error = "Missing ','";
+ break;
+ }
+ new = parse_expression (str, &op1);
+ op1.code = 0;
+ op1.reloc.pc_rel = 1;
+ op1.reloc.type = BFD_RELOC_PDP11_DISP_6_PCREL;
+ if (op1.reloc.exp.X_op != O_symbol)
+ {
+ op1.error = "Symbol expected";
+ break;
+ }
+ if (op1.code & ~0x3f)
+ {
+ err = "6-bit displacement out of range";
+ break;
+ }
+ str = new;
+ insn.code |= op1.code;
+ insn.reloc = op1.reloc;
+ }
+ break;
+
+ default:
+ BAD_CASE (op->type);
+ }
+
+ if (op1.error)
+ err = op1.error;
+ else if (op2.error)
+ err = op2.error;
+ else
+ {
+ str = skip_whitespace (str);
+ if (*str)
+ err = "Too many operands";
+ }
+
+ {
+ char *to = NULL;
+
+ if (err)
+ {
+ as_bad (err);
+ return;
+ }
+
+ to = frag_more (size);
+
+ md_number_to_chars (to, insn.code, 2);
+ if (insn.reloc.type != BFD_RELOC_NONE)
+ fix_new_exp (frag_now, to - frag_now->fr_literal, 2,
+ &insn.reloc.exp, insn.reloc.pc_rel, insn.reloc.type);
+ to += 2;
+
+ if (op1.additional)
+ {
+ md_number_to_chars (to, op1.word, 2);
+ if (op1.reloc.type != BFD_RELOC_NONE)
+ fix_new_exp (frag_now, to - frag_now->fr_literal, 2,
+ &op1.reloc.exp, op1.reloc.pc_rel, op1.reloc.type);
+ to += 2;
+ }
+
+ if (op2.additional)
+ {
+ md_number_to_chars (to, op2.word, 2);
+ if (op2.reloc.type != BFD_RELOC_NONE)
+ fix_new_exp (frag_now, to - frag_now->fr_literal, 2,
+ &op2.reloc.exp, op2.reloc.pc_rel, op2.reloc.type);
+ }
+ }
+}
+
+int
+md_estimate_size_before_relax (fragP, segment)
+ fragS *fragP ATTRIBUTE_UNUSED;
+ segT segment ATTRIBUTE_UNUSED;
+{
+ return 0;
+}
+
+void
+md_convert_frag (headers, seg, fragP)
+ bfd *headers ATTRIBUTE_UNUSED;
+ segT seg ATTRIBUTE_UNUSED;
+ fragS *fragP ATTRIBUTE_UNUSED;
+{
+}
+
+CONST int md_short_jump_size = 2;
+CONST int md_long_jump_size = 4;
+
+void
+md_create_short_jump (ptr, from_addr, to_addr, frag, to_symbol)
+ char *ptr ATTRIBUTE_UNUSED;
+ addressT from_addr ATTRIBUTE_UNUSED;
+ addressT to_addr ATTRIBUTE_UNUSED;
+ fragS *frag ATTRIBUTE_UNUSED;
+ symbolS *to_symbol ATTRIBUTE_UNUSED;
+{
+}
+
+void
+md_create_long_jump (ptr, from_addr, to_addr, frag, to_symbol)
+ char *ptr ATTRIBUTE_UNUSED;
+ addressT from_addr ATTRIBUTE_UNUSED;
+ addressT to_addr ATTRIBUTE_UNUSED;
+ fragS *frag ATTRIBUTE_UNUSED;
+ symbolS *to_symbol ATTRIBUTE_UNUSED;
+{
+}
+
+static int
+set_option (arg)
+ char *arg;
+{
+ int yes = 1;
+
+ if (strcmp (arg, "all-extensions") == 0 ||
+ strcmp (arg, "all") == 0)
+ {
+ memset (pdp11_extension, ~0, sizeof pdp11_extension);
+ pdp11_extension[PDP11_NONE] = 0;
+ return 1;
+ }
+ else if (strcmp (arg, "no-extensions") == 0)
+ {
+ memset (pdp11_extension, 0, sizeof pdp11_extension);
+ pdp11_extension[PDP11_BASIC] = 1;
+ return 1;
+ }
+
+ if (strncmp (arg, "no-", 3) == 0)
+ {
+ yes = 0;
+ arg += 3;
+ }
+
+ if (strcmp (arg, "cis") == 0) /* commersial instructions */
+ pdp11_extension[PDP11_CIS] = yes;
+ else if (strcmp (arg, "csm") == 0) /* call supervisor mode */
+ pdp11_extension[PDP11_CSM] = yes;
+ else if (strcmp (arg, "eis") == 0) /* extended instruction set */
+ pdp11_extension[PDP11_EIS] = pdp11_extension[PDP11_LEIS] = yes;
+ else if (strcmp (arg, "fis") == 0 || /* KEV11 floating-point */
+ strcmp (arg, "kev11") == 0 ||
+ strcmp (arg, "kev-11") == 0)
+ pdp11_extension[PDP11_FIS] = yes;
+ else if (strcmp (arg, "fpp") == 0 || /* FP-11 floating-point */
+ strcmp (arg, "fpu") == 0 ||
+ strcmp (arg, "fp11") == 0 ||
+ strcmp (arg, "fp-11") == 0 ||
+ strcmp (arg, "fpj11") == 0 ||
+ strcmp (arg, "fp-j11") == 0 ||
+ strcmp (arg, "fpj-11") == 0)
+ pdp11_extension[PDP11_FPP] = yes;
+ else if (strcmp (arg, "limited-eis") == 0) /* limited extended insns */
+ {
+ pdp11_extension[PDP11_LEIS] = yes;
+ if (!pdp11_extension[PDP11_LEIS])
+ pdp11_extension[PDP11_EIS] = 0;
+ }
+ else if (strcmp (arg, "mfpt") == 0) /* move from processor type */
+ pdp11_extension[PDP11_MFPT] = yes;
+ else if (strncmp (arg, "mproc", 5) == 0 || /* multiprocessor insns: */
+ strncmp (arg, "multiproc", 9) == 0 ) /* TSTSET, WRTLCK */
+ pdp11_extension[PDP11_MPROC] = yes;
+ else if (strcmp (arg, "mxps") == 0) /* move from/to proc status */
+ pdp11_extension[PDP11_MXPS] = yes;
+ else if (strcmp (arg, "pic") == 0) /* position-independent code */
+ asm_option[ASM_OPT_PIC] = yes;
+ else if (strcmp (arg, "spl") == 0) /* set priority level */
+ pdp11_extension[PDP11_SPL] = yes;
+ else if (strcmp (arg, "ucode") == 0 || /* microcode instructions: */
+ strcmp (arg, "microcode") == 0) /* LDUB, MED, XFC */
+ pdp11_extension[PDP11_UCODE] = yes;
+ else
+ return 0;
+
+ return 1;
+}
+
+static int
+set_cpu_model (arg)
+ char *arg;
+{
+ char buf[4];
+ char *model = buf;
+
+ if (arg[0] == 'k')
+ arg++;
+
+ *model++ = *arg++;
+
+ if (strchr ("abdx", model[-1]) == NULL)
+ return 0;
+
+ if (model[-1] == 'd')
+ {
+ if (arg[0] == 'f' ||
+ arg[0] == 'j')
+ model[-1] = *arg++;
+ }
+ else if (model[-1] == 'x')
+ {
+ if (arg[0] == 't')
+ model[-1] = *arg++;
+ }
+
+ if (arg[0] == '-')
+ arg++;
+
+ if (strncmp (arg, "11", 2) != 0)
+ return 0;
+ arg += 2;
+
+ if (arg[0] == '-')
+ {
+ if (*++arg == 0)
+ return 0;
+ }
+
+ /* allow up to two revision letters */
+ if (arg[0] != 0)
+ *model++ = *arg++;
+ if (arg[0] != 0)
+ *model++ = *arg++;
+
+ *model++ = 0;
+
+ set_option ("no-extensions");
+
+ if (strncmp (buf, "a", 1) == 0) /* KA11 (11/15/20) */
+ return 1; /* no extensions */
+
+ else if (strncmp (buf, "b", 1) == 0) /* KB11 (11/45/50/55/70) */
+ return set_option ("eis") &&
+ set_option ("spl");
+
+ else if (strncmp (buf, "da", 2) == 0) /* KD11-A (11/35/40) */
+ return set_option ("limited-eis");
+
+ else if (strncmp (buf, "db", 2) == 0 || /* KD11-B (11/05/10) */
+ strncmp (buf, "dd", 2) == 0) /* KD11-D (11/04) */
+ return 1; /* no extensions */
+
+ else if (strncmp (buf, "de", 2) == 0) /* KD11-E (11/34) */
+ return set_option ("eis") &&
+ set_option ("mxps");
+
+ else if (strncmp (buf, "df", 2) == 0 || /* KD11-F (11/03) */
+ strncmp (buf, "dh", 2) == 0 || /* KD11-H (11/03) */
+ strncmp (buf, "dq", 2) == 0) /* KD11-Q (11/03) */
+ return set_option ("limited-eis") &&
+ set_option ("mxps");
+
+ else if (strncmp (buf, "dk", 2) == 0) /* KD11-K (11/60) */
+ return set_option ("eis") &&
+ set_option ("mxps") &&
+ set_option ("ucode");
+
+ else if (strncmp (buf, "dz", 2) == 0) /* KD11-Z (11/44) */
+ return set_option ("csm") &&
+ set_option ("eis") &&
+ set_option ("mfpt") &&
+ set_option ("mxps") &&
+ set_option ("spl");
+
+ else if (strncmp (buf, "f", 1) == 0) /* F11 (11/23/24) */
+ return set_option ("eis") &&
+ set_option ("mfpt") &&
+ set_option ("mxps");
+
+ else if (strncmp (buf, "j", 1) == 0) /* J11 (11/53/73/83/84/93/94)*/
+ return set_option ("csm") &&
+ set_option ("eis") &&
+ set_option ("mfpt") &&
+ set_option ("multiproc") &&
+ set_option ("mxps") &&
+ set_option ("spl");
+
+ else if (strncmp (buf, "t", 1) == 0) /* T11 (11/21) */
+ return set_option ("limited-eis") &&
+ set_option ("mxps");
+
+ else
+ return 0;
+}
+
+static int
+set_machine_model (arg)
+ char *arg;
+{
+ if (strncmp (arg, "pdp-11/", 7) != 0 &&
+ strncmp (arg, "pdp11/", 6) != 0 &&
+ strncmp (arg, "11/", 3) != 0)
+ return 0;
+
+ if (strncmp (arg, "pdp", 3) == 0)
+ arg += 3;
+ if (arg[0] == '-')
+ arg++;
+ if (strncmp (arg, "11/", 3) == 0)
+ arg += 3;
+
+ if (strcmp (arg, "03") == 0) /* 11/03 */
+ return set_cpu_model ("kd11f"); /* KD11-F */
+
+ else if (strcmp (arg, "04") == 0) /* 11/04 */
+ return set_cpu_model ("kd11d"); /* KD11-D */
+
+ else if (strcmp (arg, "05") == 0 || /* 11/05 or 11/10 */
+ strcmp (arg, "10") == 0)
+ return set_cpu_model ("kd11b"); /* KD11-B */
+
+ else if (strcmp (arg, "15") == 0 || /* 11/15 or 11/20 */
+ strcmp (arg, "20") == 0)
+ return set_cpu_model ("ka11"); /* KA11 */
+
+ else if (strcmp (arg, "21") == 0) /* 11/21 */
+ return set_cpu_model ("t11"); /* T11 */
+
+ else if (strcmp (arg, "23") == 0 || /* 11/23 or 11/24 */
+ strcmp (arg, "24") == 0)
+ return set_cpu_model ("f11"); /* F11 */
+
+ else if (strcmp (arg, "34") == 0 || /* 11/34 or 11/34a */
+ strcmp (arg, "34a") == 0)
+ return set_cpu_model ("kd11e"); /* KD11-E */
+
+ else if (strcmp (arg, "35") == 0 || /* 11/35 or 11/40 */
+ strcmp (arg, "40") == 0)
+ return set_cpu_model ("kd11da"); /* KD11-A */
+
+ else if (strcmp (arg, "44") == 0) /* 11/44 */
+ return set_cpu_model ("kd11dz"); /* KD11-Z */
+
+ else if (strcmp (arg, "45") == 0 || /* 11/45/50/55/70 */
+ strcmp (arg, "50") == 0 ||
+ strcmp (arg, "55") == 0 ||
+ strcmp (arg, "70") == 0)
+ return set_cpu_model ("kb11"); /* KB11 */
+
+ else if (strcmp (arg, "60") == 0) /* 11/60 */
+ return set_cpu_model ("kd11k"); /* KD11-K */ /* FPP? */
+
+ else if (strcmp (arg, "53") == 0 || /* 11/53/73/83/84/93/94 */
+ strcmp (arg, "73") == 0 ||
+ strcmp (arg, "83") == 0 ||
+ strcmp (arg, "84") == 0 ||
+ strcmp (arg, "93") == 0 ||
+ strcmp (arg, "94") == 0)
+ return set_cpu_model ("j11") && /* J11 */
+ set_option ("fpp"); /* All J11 machines come */
+ /* with FPP installed. */
+ else
+ return 0;
+}
+
+CONST char *md_shortopts = "m:";
+
+struct option md_longopts[] =
+{
+#define OPTION_CPU 257
+ { "cpu", required_argument, NULL, OPTION_CPU },
+#define OPTION_MACHINE 258
+ { "machine", required_argument, NULL, OPTION_MACHINE },
+#define OPTION_PIC 259
+ { "pic", no_argument, NULL, OPTION_PIC },
+ { NULL, no_argument, NULL, 0 }
+};
+
+size_t md_longopts_size = sizeof(md_longopts);
+
+/*
+ * md_parse_option
+ * Invocation line includes a switch not recognized by the base assembler.
+ * See if it's a processor-specific option.
+ */
+
+int
+md_parse_option (c, arg)
+ int c;
+ char *arg;
+{
+ init_defaults ();
+
+ switch (c)
+ {
+ case 'm':
+ if (set_option (arg))
+ return 1;
+ if (set_cpu_model (arg))
+ return 1;
+ if (set_machine_model (arg))
+ return 1;
+ break;
+
+ case OPTION_CPU:
+ if (set_cpu_model (arg))
+ return 1;
+ break;
+
+ case OPTION_MACHINE:
+ if (set_machine_model (arg))
+ return 1;
+ break;
+
+ case OPTION_PIC:
+ if (set_option ("pic"))
+ return 1;
+ break;
+
+ default:
+ break;
+ }
+
+ as_bad ("unrecognized option `-%c%s'", c, arg ? arg : "");
+
+ return 0;
+}
+
+/*
+One possible way of parsing options.
+
+enum
+{
+ OPTION_CSM,
+ OPTION_CIS,
+ ...
+};
+
+struct
+{
+ CONST char *pattern;
+ int opt;
+ CONST char *description;
+} options;
+
+static struct options extension_opts[] =
+{
+ { "Ncsm", OPTION_CSM,
+ "allow (disallow) CSM instruction" },
+ { "Ncis", OPTION_CIS,
+ "allow (disallow) commersial instruction set" },
+ { "Neis", OPTION_EIS,
+ "allow (disallow) extended instruction set" },
+ ...
+ { "all-extensions", OPTION_ALL_EXTENSIONS,
+ "allow all instruction set extensions\n\
+ (this is the default)" },
+ { "no-extensions", OPTION_NO_EXTENSIONS,
+ "disallow all instruction set extensions" },
+ { "pic", OPTION_PIC,
+ "position-independent code" },
+};
+
+static struct options cpu_opts[] =
+{
+ { "Ka_11_*", OPTION_KA11, "KA11 CPU. ..." },
+ { "Kb_11_*", OPTION_KB11, "KB11 CPU. ..." },
+ { "Kd_11_a*", OPTION_KD11A, "KD11-A CPU. ..." },
+ { "Kd_11_b*", OPTION_KD11B, "KD11-B CPU. ..." },
+ { "Kd_11_d*", OPTION_KD11D, "KD11-D CPU. ..." },
+ { "Kd_11_e*", OPTION_KD11E, "KD11-E CPU. ..." },
+ { "Kd_11_f*", OPTION_KD11F, "KD11-F CPU. ..." },
+ { "Kd_11_h*", OPTION_KD11H, "KD11-H CPU. ..." },
+ { "Kd_11_q*", OPTION_KD11Q, "KD11-Q CPU. ..." },
+ { "Kd_11_z*", OPTION_KD11Z, "KD11-Z CPU. ..." },
+ { "Df_11_*", OPTION_F11, "F11 CPU. ..." },
+ { "Dj_11_*", OPTION_J11, "J11 CPU. ..." },
+ { "Dt_11_*", OPTION_T11, "T11 CPU. ..." },
+};
+
+static struct options model_opts[] =
+{
+ { "P03", OPTION_PDP11_03, "same as ..." },
+ { "P04", OPTION_PDP11_04, "same as ..." },
+ { "P05", OPTION_PDP11_05, "same as ..." },
+ { "P10", OPTION_PDP11_10, "same as ..." },
+ { "P15", OPTION_PDP11_15, "same as ..." },
+ { "P20", OPTION_PDP11_20, "same as ..." },
+ { "P21", OPTION_PDP11_21, "same as ..." },
+ { "P24", OPTION_PDP11_24, "same as ..." },
+ { "P34", OPTION_PDP11_34, "same as ..." },
+ { "P34a", OPTION_PDP11_34A, "same as ..." },
+ { "P40", OPTION_PDP11_40, "same as ..." },
+ { "P44", OPTION_PDP11_44, "same as ..." },
+ { "P45", OPTION_PDP11_45, "same as ..." },
+ { "P50", OPTION_PDP11_50, "same as ..." },
+ { "P53", OPTION_PDP11_53, "same as ..." },
+ { "P55", OPTION_PDP11_55, "same as ..." },
+ { "P60", OPTION_PDP11_60, "same as ..." },
+ { "P70", OPTION_PDP11_70, "same as ..." },
+ { "P73", OPTION_PDP11_73, "same as ..." },
+ { "P83", OPTION_PDP11_83, "same as ..." },
+ { "P84", OPTION_PDP11_84, "same as ..." },
+ { "P93", OPTION_PDP11_93, "same as ..." },
+ { "P94", OPTION_PDP11_94, "same as ..." },
+};
+
+struct
+{
+ CONST char *title;
+ struct options *opts;
+ int num;
+} all_opts[] =
+{
+ { "PDP-11 instruction set extentions",
+ extension_opts,
+ sizeof extension_opts / sizeof extension_opts[0] },
+ { "PDP-11 CPU model options",
+ cpu_opts,
+ sizeof cpu_opts / sizeof cpu_opts[0] },
+ { "PDP-11 machine model options",
+ model_opts,
+ sizeof model_opts / sizeof model_opts[0] },
+};
+
+int
+parse_match (char *arg, char *pattern)
+{
+ int yes = 1;
+
+ while (*pattern)
+ {
+ switch (*pattern++)
+ {
+ case 'N':
+ if (strncmp (arg, "no-") == 0)
+ {
+ yes = 0;
+ arg += 3;
+ }
+ break;
+
+ case 'K':
+ if (arg[0] == 'k')
+ arg++;
+ break;
+
+ case 'D':
+ if (strncmp (arg, "kd", 2) == 0)
+ arg +=2;
+ break;
+
+ case 'P':
+ if (strncmp (arg, "pdp-11/", 7) == 0)
+ arg += 7;
+ else if (strncmp (arg, "pdp11/", 6) == 0)
+ arg += 6;
+ else if (strncmp (arg, "11/", 3) == 0)
+ arg += 3;
+ break;
+
+ case '_':
+ if (arg[0] == "-")
+ {
+ if (*++arg == 0)
+ return 0;
+ }
+ break;
+
+ case '*':
+ return 1;
+
+ default:
+ if (*arg++ != pattern[-1])
+ return 0;
+ }
+ }
+
+ return arg[0] == 0;
+}
+
+int
+fprint_opt (stream, pattern)
+ FILE *stream;
+ CONST char *pattern;
+{
+ int n;
+
+ while (*pattern)
+ {
+ switch (*pattern++)
+ {
+ case 'N':
+ n += fprintf (stream, "(no-)");
+ break;
+
+ case 'K':
+ n += fprintf (stream, "k");
+ break;
+
+ case 'P':
+ n += fprintf (stream "11/");
+ break;
+
+ case 'D':
+ case '_':
+ case '*':
+ break;
+
+ default:
+ fputc (pattern[-1], stream);
+ n++;
+ }
+ }
+
+ return n;
+}
+
+int
+parse_option (char *arg)
+{
+ int i, j;
+
+ for (i = 0; i < sizeof all_opts / sizeof all_opts[0]; i++)
+ {
+ for (j = 0; j < all_opts[i].num; j++)
+ {
+ if (parse_match (arg, all_opts[i].opts[j].pattern))
+ {
+ set_option (all_opts[i].opts[j].opt);
+ return 1;
+ }
+ }
+ }
+
+ return 0;
+}
+
+static void
+fprint_space (stream, n)
+ FILE *stream;
+ int n;
+{
+ while (n--)
+ fputc (' ', stream);
+}
+
+void
+md_show_usage (stream)
+ FILE *stream;
+{
+ int i, j, n;
+
+ for (i = 0; i < sizeof all_opts / sizeof all_opts[0]; i++)
+ {
+ fprintf (stream "\n%s:\n\n", all_opts[i].title);
+
+ for (j = 0; j < all_opts[i].num; j++)
+ {
+ fprintf (stream, "-m");
+ n = fprintf_opt (stream, all_opts[i].opts[j].pattern);
+ fprint_space (stream, 22 - n);
+ fprintf (stream, "%s\n", all_opts[i].opts[j].description);
+ }
+ }
+}
+*/
+
+void
+md_show_usage (stream)
+ FILE *stream;
+{
+ fprintf (stream, "\
+\n\
+PDP-11 instruction set extentions:\n\
+\n\
+-m(no-)cis allow (disallow) commersial instruction set\n\
+-m(no-)csm allow (disallow) CSM instruction\n\
+-m(no-)eis allow (disallow) full extended instruction set\n\
+-m(no-)fis allow (disallow) KEV11 floating-point instructions\n\
+-m(no-)fpp allow (disallow) FP-11 floating-point instructions\n\
+-m(no-)fpu allow (disallow) FP-11 floating-point instructions\n\
+-m(no-)limited-eis allow (disallow) limited extended instruction set\n\
+-m(no-)mfpt allow (disallow) processor type instruction\n\
+-m(no-)multiproc allow (disallow) multiprocessor instructions\n\
+-m(no-)mxps allow (disallow) processor status instructions\n\
+-m(no-)spl allow (disallow) SPL instruction\n\
+-m(no-)ucode allow (disallow) microcode instructions\n\
+-mall-extensions allow all instruction set extensions\n\
+ (this is the default)\n\
+-mno-extentions disallow all instruction set extensions\n\
+-pic generate position-indepenent code\n\
+\n\
+PDP-11 CPU model options:\n\
+\n\
+-mka11* KA11 CPU. base line instruction set only\n\
+-mkb11* KB11 CPU. enable full EIS and SPL\n\
+-mkd11a* KD11-A CPU. enable limited EIS\n\
+-mkd11b* KD11-B CPU. base line instruction set only\n\
+-mkd11d* KD11-D CPU. base line instruction set only\n\
+-mkd11e* KD11-E CPU. enable full EIS, MTPS, and MFPS\n\
+-mkd11f* KD11-F CPU. enable limited EIS, MTPS, and MFPS\n\
+-mkd11h* KD11-H CPU. enable limited EIS, MTPS, and MFPS\n\
+-mkd11q* KD11-Q CPU. enable limited EIS, MTPS, and MFPS\n\
+-mkd11k* KD11-K CPU. enable full EIS, MTPS, MFPS, LDUB, MED,\n\
+ XFC, and MFPT\n\
+-mkd11z* KD11-Z CPU. enable full EIS, MTPS, MFPS, MFPT, SPL,\n\
+ and CSM\n\
+-mf11* F11 CPU. enable full EIS, MFPS, MTPS, and MFPT\n\
+-mj11* J11 CPU. enable full EIS, MTPS, MFPS, MFPT, SPL,\n\
+ CSM, TSTSET, and WRTLCK\n\
+-mt11* T11 CPU. enable limited EIS, MTPS, and MFPS\n\
+\n\
+PDP-11 machine model options:\n\
+\n\
+-m11/03 same as -mkd11f\n\
+-m11/04 same as -mkd11d\n\
+-m11/05 same as -mkd11b\n\
+-m11/10 same as -mkd11b\n\
+-m11/15 same as -mka11\n\
+-m11/20 same as -mka11\n\
+-m11/21 same as -mt11\n\
+-m11/23 same as -mf11\n\
+-m11/24 same as -mf11\n\
+-m11/34 same as -mkd11e\n\
+-m11/34a same as -mkd11e -mfpp\n\
+-m11/35 same as -mkd11a\n\
+-m11/40 same as -mkd11a\n\
+-m11/44 same as -mkd11z\n\
+-m11/45 same as -mkb11\n\
+-m11/50 same as -mkb11\n\
+-m11/53 same as -mj11\n\
+-m11/55 same as -mkb11\n\
+-m11/60 same as -mkd11k\n\
+-m11/70 same as -mkb11\n\
+-m11/73 same as -mj11\n\
+-m11/83 same as -mj11\n\
+-m11/84 same as -mj11\n\
+-m11/93 same as -mj11\n\
+-m11/94 same as -mj11\n\
+");
+}
+
+symbolS *
+md_undefined_symbol (name)
+ char *name ATTRIBUTE_UNUSED;
+{
+ return 0;
+}
+
+valueT
+md_section_align (segment, size)
+ segT segment ATTRIBUTE_UNUSED;
+ valueT size;
+{
+ return (size + 1) & ~1;
+}
+
+long
+md_pcrel_from (fixP)
+ fixS *fixP;
+{
+ return fixP->fx_frag->fr_address + fixP->fx_where + fixP->fx_size;
+}
+
+/* Translate internal representation of relocation info to BFD target
+ format. */
+arelent *
+tc_gen_reloc (section, fixp)
+ asection *section ATTRIBUTE_UNUSED;
+ fixS *fixp;
+{
+ arelent *reloc;
+ bfd_reloc_code_real_type code;
+
+ reloc = (arelent *) xmalloc (sizeof (arelent));
+
+ reloc->sym_ptr_ptr = (asymbol **) xmalloc (sizeof (asymbol *));
+ *reloc->sym_ptr_ptr = symbol_get_bfdsym (fixp->fx_addsy);
+ reloc->address = fixp->fx_frag->fr_address + fixp->fx_where;
+
+ /* this is taken account for in md_apply_fix() */
+ reloc->addend = -symbol_get_bfdsym (fixp->fx_addsy)->section->vma;
+
+ switch (fixp->fx_r_type)
+ {
+ case BFD_RELOC_16:
+ if (fixp->fx_pcrel)
+ code = BFD_RELOC_16_PCREL;
+ else
+ code = BFD_RELOC_16;
+ break;
+
+ case BFD_RELOC_16_PCREL:
+ code = BFD_RELOC_16_PCREL;
+ break;
+
+ default:
+ BAD_CASE (fixp->fx_r_type);
+ return NULL;
+ }
+
+ reloc->howto = bfd_reloc_type_lookup (stdoutput, code);
+
+ if (reloc->howto == NULL)
+ {
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ "Can not represent %s relocation in this object file format",
+ bfd_get_reloc_code_name (code));
+ return NULL;
+ }
+
+ return reloc;
+}
+
+void
+pseudo_bss (c)
+ int c ATTRIBUTE_UNUSED;
+{
+ int temp;
+
+ temp = get_absolute_expression ();
+ subseg_set (bss_section, temp);
+ demand_empty_rest_of_line ();
+}
+
+void
+pseudo_even (c)
+ int c ATTRIBUTE_UNUSED;
+{
+ int alignment = 1; /* 2^1 */
+ frag_align (alignment, 0, 1);
+ record_alignment (now_seg, alignment);
+}
+
+/* end of tc-pdp11.c */
diff --git a/gas/config/tc-pdp11.h b/gas/config/tc-pdp11.h
new file mode 100644
index 0000000..eb2e360
--- /dev/null
+++ b/gas/config/tc-pdp11.h
@@ -0,0 +1,33 @@
+/* tc-pdp11.h -- Header file for tc-pdp11.c.
+ Copyright (C) 2001 Free Software Foundation, Inc.
+
+ This file is part of GAS, the GNU Assembler.
+
+ GAS is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ GAS is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+
+#define TC_PDP11 1
+
+#define TARGET_FORMAT "a.out-pdp11"
+#define TARGET_ARCH bfd_arch_pdp11
+#define TARGET_BYTES_BIG_ENDIAN 0
+
+#define LEX_TILDE (LEX_BEGIN_NAME | LEX_NAME)
+
+#define md_operand(x)
+
+long md_chars_to_number PARAMS ((unsigned char *, int));
+
+/* end of tc-pdp11.h */